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Oceanography Exam 2
Question or Hint
Answer or Word
- The function of a swim bladder is ________. to allow a fish to change position in the water column (wrong answers: to assist the organism in steering with the currents , to increase the surface area of the organism to prevent sinking , to prevent predators from eating the puffer fish )
- Which set of fins is used for turning and braking? Pectoral and pelvic (wrong answers: Caudal and pelvic , Anal and caudal , Anal and dorsal , Caudal and dorsal )
- The muscle tissue of a "lunger" is predominantly ________. white (wrong answers: blue, red, grey, pink)
- Which of the following is not an adaptation of deep-sea fishes? Large body sizes (wrong answers: Hinged jaws , Bioluminesce , Large mouths with sharp, needle-like teeth )
- Which of the following is not a characteristic of Class Mammalia? They lay eggs. (wrong answers: They have hair or fur at some point during development. , The females of each species have mammary glands. , They are warm-blooded. , They breathe air. )
- Which of the following is not a member of the Order Carnivora? Sperm whales (wrong answers: Sea otters , Seals, Sea lions , Polar bears )
- Sea lions are easily distinguished from seals because they ________. have external ears (wrong answers: cannot rotate their front flippers backward , use their rear flippers for swimming , cannot rotate their front flippers forward )
- Jellies are an example of which of the following? Cnidarians (wrong answers: Foraminifers, Coccolithophores , Ctenophores, Radiolarians)
- Squids, fish, sea turtles, and marine mammals are examples of ________ organisms. nektonic (wrong answers: phytoplanktonic, zooplanktonic, abyssal, benthic)
- Squid swim by expelling water out a siphon to propel themselves ________. backward (wrong answers: forward, rightward, downward, leftward)
- Most high-speed fish use their caudal fins ________. for swim propulsion (wrong answers: to hold onto prey , primarily as stabilizers , to turn, brake, and balance , to increase the surface area )
- Which of the following types of caudal fins is asymmetrical, with most of their mass and surface area in the upper lobe? Heterocercal caudal fin (wrong answers: Truncate caudal fin , Rounded caudal fin , Lunate caudal fin , Forked caudal fin )
- Red muscle tissue in fish supplies a much ________ amount of oxygen and supports a much ________ metabolic rate than white tissue. greater; higher (wrong answers: greater; lower , lesser; higher , lesser; lower )
- Which of the following statements regarding sea otters is correct? They are one of the few types of animals known to use tools. (wrong answers: They are some of the largest marine mammals. , They continually lick themselves to clean their fur and add an insulating layer of air. , Their bodies are covered with sparse hairs, which are concentrated around the mouth. , They no longer inhabit all areas where they were hunted. )
- Which of the following statements regarding polar bears is correct? They have massive webbed paws that make them excellent swimmers. (wrong answers: They have small teeth and sharp claws, which they use for prying and killing. , Their diet consists mainly of walrus. , Their fur is thick, and each hair is dense for better insulation. )
- Which of the following allows cetaceans to remain submerged for extended periods of time? They can extract almost 90% of the oxygen in each breath. (wrong answers: They have less myoglobin in their muscle tissue as terrestrial animals. , Some have less red blood cells per unit of blood volume as terrestrial animals. , They are faster breathers than terrestrial animals. , They have a smaller blood volume per unit of body mass. )
- Which of the following best describes a behavior known as porpoising? Leaping out of the water while swimming (wrong answers: Starting in television programs and movies , Forming a large school to harass whales , Swimming in circles around prey , Using a blunt snout during mating )
- In dolphins and porpoises, an organ called the ________ focuses the sounds they generate. melon (wrong answers: spermaceti organ , museau du singe , junk, nostril)
- Which of the following is the most important function of schooling in small fish? Protection from predators (wrong answers: Aggressive species can't chase away the whole school , Moving in the same direction , Male fertilization of eggs released into the water , Invade the territory of larger species )
- An isopods attaching itself to a fish and derive its nutrition from the body fluids of the fish, robbing it of some of its energy supply, is an example of which of the following types of symbiotic relationship? Parasitism (wrong answers: Mutualism, Naturalism, Parallelism, Commensalism)
